Brandon Sanderson has an essay on writing cinematic fight scenes in the book “Writing Fantasy Heroes: Powerful Advice from the Pros.”
Other contributors include Steven Erikson, Janet Morris, Cecelia Holland, Orson Scott Card, and Glen Cook.
Check it out on Amazon
“From Batman to Gandalf, Harry Potter to Tyrion Lannister, the heroes of fantasy speak to-and for-whole generations. But what makes a fantasy hero? How do the best writers create them, and bring them to life on the page?”